Body Builder (beta)
CodingOpenRouter · Released December 2025
Transform your natural language requests into structured OpenRouter API request objects. Describe what you want to accomplish with AI models, and Body Builder will construct the appropriate API calls. Example:...
Facts and pricing
- Provider
- OpenRouter
- Context window
- 128K tokens
- Input price
- -1.1e+7 credits / 1M tokens ($-1.0e+6 raw)
- Output price
- -1.1e+7 credits / 1M tokens ($-1.0e+6 raw)
- Vision (image input)
- No
- Tool calling
- No
- Extended reasoning
- No
Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.
Try Body Builder (beta) now
What Body Builder (beta) is best for
- Writing, reviewing and refactoring code; agentic coding workflows
OpenRouter family
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| Fusion | 1M | -1.1e+7 | -1.1e+7 | June 2026 |
| Pareto Code Router | 2M | -1.1e+7 | -1.1e+7 | April 2026 |
| Free Models Router | 200K | 0 | 0 | February 2026 |
| Body Builder (beta) | 128K | -1.1e+7 | -1.1e+7 | December 2025 |
| Auto Router | 2M | -1.1e+7 | -1.1e+7 | November 2023 |
Frequently asked questions
- What is Body Builder (beta)?
- Body Builder (beta) is an AI model by OpenRouter. Transform your natural language requests into structured OpenRouter API request objects. Describe what you want to accomplish with AI models, and Body Builder will construct the appropriate API calls. Example:...
- How much does Body Builder (beta) cost on Zeplik?
- Input tokens cost -1.1e+7 credits per million and output tokens -1.1e+7 credits per million (1 credit = $0.10; the raw provider rates are $-1.0e+6 and $-1.0e+6 per million). New accounts start with free credits.
- How long can a conversation with Body Builder (beta) be?
- Body Builder (beta) has a 128K-token context window (128,000 tokens), which covers the conversation plus any documents you attach.
- Does Body Builder (beta) support images and tools?
- Body Builder (beta) is text-only and does not support tool calling.
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